Patents by Inventor Gopal Goyal

Gopal Goyal has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • LIGNO CELLULOSIC MATERIALS AND THE PRODUCTS MADE THEREFROM
    Publication number: 20210262165
    Abstract: A process comprising treating a lignocellulosic material preferably pulp in the presence of a transition metal catalyst with a oxidizing agent selected from a group consisting of hydrogen peroxide, hypochlorite, hypochlorous acid and any combination thereof to form a treated lignocellulosic material having a viscosity equal to or less than about 17 cp and having reducing functional groups selected from the group consisting of aldehyde and aldehyde type functional groups at the C6 and C1 positions but predominating at the C1 position.
    Type: Application
    Filed: December 23, 2020
    Publication date: August 26, 2021
    Inventors: Zheng Tan, Damaris Lorenzoni, Gopal Goyal, Sen Yang
  • Ligno cellulosic materials and the products made therefrom
    Patent number: 10907304
    Abstract: A process comprising treating a lignocellulosic material preferably pulp in the presence of a transition metal catalyst with a oxidizing agent selected from a group consisting of hydrogen peroxide, hypochlorite, hypochlorous acid and any combination thereof to form a treated lignocellulosic material having a viscosity equal to or less than about 17 cp and having reducing functional groups selected from the group consisting of aldehyde and aldehyde type functional groups at the C6 and C1 positions but predominating at the C1 position.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: February 2, 2021
    Assignee: INTERNATIONAL PAPER COMPANY
    Inventors: Zheng Tan, Damaris Lorenzoni, Gopal Goyal, Sen Yang
  • Process for producing increased bulk pulp fibers, pulp fibers obtained, and products incorporating same
    Patent number: 10280559
    Abstract: Processes for pulping raw pulp material, such as wood chips, to provide pulp fibers having increased bulk, as well as bleaching the resulting pulp fibers to provide bleached pulp fibers having increased bulk. These pulp fibers and bleached pulp fibers may be incorporated into or used various products, such as multi-ply coated paperboards, fluff pulp, etc.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: May 7, 2019
    Assignee: INTERNATIONAL PAPER COMPANY
    Inventor: Gopal Goyal
  • PROCESS FOR PRODUCING INCREASED BULK PULP FIBERS, PULP FIBERS OBTAINED, AND PRODUCTS INCORPORATING SAME
    Publication number: 20180127919
    Abstract: Processes for pulping raw pulp material, such as wood chips, to provide pulp fibers having increased bulk, as well as bleaching the resulting pulp fibers to provide bleached pulp fibers having increased bulk. These pulp fibers and bleached pulp fibers may be incorporated into or used various products, such as multi-ply coated paperboards, fluff pulp, etc.
    Type: Application
    Filed: October 25, 2017
    Publication date: May 10, 2018
    Inventor: Gopal Goyal
  • LIGNO CELLULOSIC MATERIALS AND THE PRODUCTS MADE THEREFROM
    Publication number: 20170198436
    Abstract: A process comprising treating a lignocellulosic material preferably pulp in the presence of a transition metal catalyst with a oxidizing agent selected from a group consisting of hydrogen peroxide, hypochlorite, hypochlorous acid and any combination thereof to form a treated lignocellulosic material having a viscosity equal to or less than about 17 cp and having reducing functional groups selected from the group consisting of aldehyde and aldehyde type functional groups at the C6 and C1 positions but predominating at the C1 position.
    Type: Application
    Filed: January 6, 2017
    Publication date: July 13, 2017
    Inventors: Zheng TAN, Damaris LORENZONI, Gopal Goyal, Sen Yang
  • LIGNO CELLULOSIC MATERIALS AND THE PRODUCTS MADE THEREFROM
    Publication number: 20170172152
    Abstract: A process comprising treating a lignocellulosic material preferably pulp in the presence of a transition metal catalyst with a oxidizing agent selected from a group consisting of hydrogen peroxide, hypochlorite, hypochlorous acid and any combination thereof to form a treated lignocellulosic material having a viscosity equal to or less than about 17 cp and having reducing functional groups selected from the group consisting of aldehyde and aldehyde type functional groups at the C6 and C1 positions but predominating at the C1 position.
    Type: Application
    Filed: March 2, 2017
    Publication date: June 22, 2017
    Inventors: Zheng TAN, Damaris LORENZONI, Gopal Goyal, Sen Yang
  • EFFECT OF LOW DOSE XYLANASE ON PULP IN PREBLEACH TREATMENT PROCESS
    Publication number: 20150240423
    Abstract: A prebleach treatment of pulp with xylanase enzyme prior to chemical bleaching is disclosed. A process of making pulp comprises treating a pulp with xylanase in an amount of less than 50 g of xylanase per ton of pulp. The treating step is carried while buffering the pulp and xylanase with a buffering agent to a pH of from about 6.5 to about 7.5 prior to at least one bleaching stage to form a treated pulp.
    Type: Application
    Filed: May 13, 2015
    Publication date: August 27, 2015
    Inventors: CAIFANG YIN, ALFRED TREPOW, JACEK KALKA, GOPAL GOYAL
  • MODIFIED KRAFT FIBERS
    Publication number: 20150152601
    Abstract: A method of producing a modified pulp comprising treating wood chips in an extraction process to remove hemicellose to form treated wood chips; and subjecting said treated wood chips to chemical or semichemical pulping to form a modified Kraft pulp wherein the amount of hemicellulose contained in the modified Kraft pulp is from about 5 to about 10% by dry weight of the modified pulp.
    Type: Application
    Filed: February 9, 2015
    Publication date: June 4, 2015
    Inventors: ZHENG TAN, GOPAL GOYAL, ALEXANDER A. KOUKOULAS
  • MODIFIED KRAFT FIBERS
    Publication number: 20150119838
    Abstract: A method of producing a modified pulp for use in paper or paper web products, the method comprising treating wood chips in an extraction process to remove hemicellose to form treated wood chips; and subjecting said treated wood chips to chemical or semichemical pulping to form a modified Kraft pulp wherein the amount of hemicellulose contained in the modified Kraft pulp is from about 5 to about 10% by dry weight of the modified pulp.
    Type: Application
    Filed: January 6, 2015
    Publication date: April 30, 2015
    Inventors: ZHENG TAN, GOPAL GOYAL, ALEXANDER A. KOUKOULAS
  • LIGNO CELLULOSIC MATERIALS AND THE PRODUCTS MADE THEREFROM
    Publication number: 20150007953
    Abstract: A process comprising treating a lignocellulosic material preferably pulp in the presence of a transition metal catalyst with a oxidizing agent selected from a group consisting of hydrogen peroxide, hypochlorite, hypochlorous acid and any combination thereof to form a treated lignocellulosic material having a viscosity equal to or less than about 17 cp and having reducing functional groups selected from the group consisting of aldehyde and aldehyde type functional groups at the C6 and C1 positions but predominating at the C1 position.
    Type: Application
    Filed: June 17, 2014
    Publication date: January 8, 2015
    Inventors: ZHENG TAN, DAMARIS LORENZONI, GOPAL GOYAL, SEN YANG
  • Ligno cellulosic materials and the products made therefrom
    Patent number: 8753484
    Abstract: A process comprising treating a lignocellulosic material preferably pulp in the presence of a transition metal catalyst with a oxidizing agent selected from a group consisting of hydrogen peroxide, hypochlorite, hypochlorous acid and any combination thereof to form a treated lignocellulosic material having a viscosity equal to or less than about 17 cp and having reducing functional groups selected from the group consisting of aldehyde and aldehyde type functional groups at the C6 and C1 positions but predominating at the C1 position.
    Type: Grant
    Filed: September 12, 2012
    Date of Patent: June 17, 2014
    Assignee: International Paper Company
    Inventors: Zheng Tan, Damaris Lorenzoni, Gopal Goyal, Sen Yang
  • MODIFIED KRAFT FIBERS
    Publication number: 20130092336
    Abstract: A method of producing a modified pulp comprising treating wood chips in an extraction process to remove hemicellose to form treated wood chips; and subjecting said treated wood chips to chemical or semichemical pulping to form a modified Kraft pulp wherein the amount of hemicellulose contained in the modified Kraft pulp is from about 5 to about 10% by dry weight of the modified pulp.
    Type: Application
    Filed: May 21, 2012
    Publication date: April 18, 2013
    Applicant: INTERNATIONAL PAPER COMPANY
    Inventors: ZHENG TAN, GOPAL GOYAL, ALEXANDER A. KOUKOULAS
  • LIGNO CELLULOSIC MATERIALS AND THE PRODUCTS MADE THEREFROM
    Publication number: 20130066291
    Abstract: A process comprising treating a lignocellulosic material preferably pulp in the presence of a transition metal catalyst with a oxidizing agent selected from a group consisting of hydrogen peroxide, hypochlorite, hypochlorous acid and any combination thereof to form a treated lignocellulosic material having a viscosity equal to or less than about 17 cp and having reducing functional groups selected from the group consisting of aldehyde and aldehyde type functional groups at the C6 and C1 positions but predominating at the C1 position.
    Type: Application
    Filed: September 12, 2012
    Publication date: March 14, 2013
    Applicant: International Paper Company
    Inventors: ZHENG TAN, Damaris Lorenzoni, Gopal Goyal, Sen Yang
  • Modified kraft fibers
    Patent number: 8328983
    Abstract: A method of producing a modified pulp for use in paper or paper web products, the method comprising treating wood chips in an extraction process to remove hemicellose to form treated wood chips; and subjecting said treated wood chips to chemical or semichemical pulping to form a modified Kraft pulp wherein the amount of hemicellulose contained in the modified Kraft pulp is from about 5 to about 10% by dry weight of the modified pulp.
    Type: Grant
    Filed: May 24, 2006
    Date of Patent: December 11, 2012
    Assignee: International Paper Company
    Inventors: Zheng Tan, Gopal Goyal, Alexander A Koukoulas
  • Ligno cellulosic materials and the products made therefrom
    Patent number: 8282774
    Abstract: A process comprising treating a lignocellulosic material preferably pulp in the presence of a transition metal catalyst with a oxidizing agent selected from a group consisting of hydrogen peroxide, hypochlorite, hypochlorous acid and any combination thereof to form a treated lignocellulosic material having a viscosity equal to or less than about 17 cp and having reducing functional groups selected from the group consisting of aldehyde and aldehyde type functional groups at the C6 and C1 positions but predominating at the C1 position.
    Type: Grant
    Filed: August 8, 2011
    Date of Patent: October 9, 2012
    Assignee: International Paper Company
    Inventors: Zheng Tan, Damaris Lorenzoni, Gopal Goyal, Sen Yang
  • Modified Kraft fibers
    Patent number: 8182650
    Abstract: A method of producing a modified pulp comprising treating wood chips in an extraction process to remove hemicellose to form treated wood chips; and subjecting said treated wood chips to chemical or semichemical pulping to form a modified Kraft pulp wherein the amount of hemicellulose contained in the modified Kraft pulp is from about 5 to about 10% by dry weight of the modified pulp.
    Type: Grant
    Filed: March 5, 2009
    Date of Patent: May 22, 2012
    Assignee: International Paper Company
    Inventors: Zheng Tan, Gopal Goyal, Alexander A. Koukoulas
  • LIGNO CELLULOSIC MATERIALS AND THE PRODUCTS MADE THEREFROM
    Publication number: 20110287275
    Abstract: A process comprising treating a lignocellulosic material preferably pulp in the presence of a transition metal catalyst with a oxidizing agent selected from a group consisting of hydrogen peroxide, hypochlorite, hypochlorous acid and any combination thereof to form a treated lignocellulosic material having a viscosity equal to or less than about 17 cp and having reducing functional groups selected from the group consisting of aldehyde and aldehyde type functional groups at the C6 and C1 positions but predominating at the C1 position.
    Type: Application
    Filed: August 8, 2011
    Publication date: November 24, 2011
    Applicant: INTERNATIONAL PAPER COMPANY
    Inventors: ZHENG TAN, DAMARIS LORENZONI, GOPAL GOYAL, SEN YANG
  • Lignocellulosic materials and the products made therefrom
    Patent number: 8007635
    Abstract: A process comprising treating a lignocellulosic material preferably pulp in the presence of a transition metal catalyst with a oxidizing agent selected from a group consisting of hydrogen peroxide, hypochlorite, hypochlorous acid and any combination thereof to form a treated lignocellulosic material having a viscosity equal to or less than about 17 cp and having reducing functional groups selected from the group consisting of aldehyde and aldehyde type functional groups at the C6 and C1 positions but predominating at the C1 position.
    Type: Grant
    Filed: May 2, 2006
    Date of Patent: August 30, 2011
    Assignee: International Paper Company
    Inventors: Zheng Tan, Damaris Lorenzoni, Gopal Goyal
  • EFFECT OF LOW DOSE XYLANASE ON PULP IN PREBLEACH TREATMENT PROCESS
    Publication number: 20110108222
    Abstract: A prebleach treatment of pulp with xylanase enzyme prior to chemical bleaching is disclosed. A process of making pulp comprises treating a pulp with xylanase in an amount of less than 50 g of xylanase per ton of pulp. The treating step is carried while buffering the pulp and xylanase with a buffering agent to a pH of from about 6.5 to about 7.5 prior to at least one bleaching stage to form a treated pulp.
    Type: Application
    Filed: November 12, 2010
    Publication date: May 12, 2011
    Applicant: INTERNATIONAL PAPER COMPANY
    Inventors: Caifang Yin, Gopal Goyal, Alfred Trepow, Jacek Kalka
  • MODIFIED KRAFT FIBERS
    Publication number: 20090165968
    Abstract: A method of producing a modified pulp comprising treating wood chips in an extraction process to remove hemicellose to form treated wood chips; and subjecting said treated wood chips to chemical or semichemical pulping to form a modified Kraft pulp wherein the amount of hemicellulose contained in the modified Kraft pulp is from about 5 to about 10% by dry weight of the modified pulp.
    Type: Application
    Filed: March 5, 2009
    Publication date: July 2, 2009
    Applicant: International Paper Company
    Inventors: ZHENG TAN, GOPAL GOYAL, ALEXANDER A. KOUKOULAS